5515754865799 has 4 divisors (see below), whose sum is σ = 5515760698120. Its totient is φ = 5515749033480.

The previous prime is 5515754865773. The next prime is 5515754865853. The reversal of 5515754865799 is 9975684575155.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5515754865799 - 2³⁷ = 5378315912327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5515754865199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1134897 + ... + 3509914.

It is an arithmetic number, because the mean of its divisors is an integer number (1378940174530).

Almost surely, 2^{5515754865799} is an apocalyptic number.

5515754865799 is a deficient number, since it is larger than the sum of its proper divisors (5832321).

5515754865799 is a wasteful number, since it uses less digits than its factorization.

5515754865799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5832320.

The product of its digits is 2381400000, while the sum is 76.

The spelling of 5515754865799 in words is "five trillion, five hundred fifteen billion, seven hundred fifty-four million, eight hundred sixty-five thousand, seven hundred ninety-nine".